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Finding the Fourth Proportional to 1,120,347,865.10, 1,680,521,797.65 and 569,349,836.30

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Solution

The fourth proportional to 1,120,347,865.10, 1,680,521,797.65 and 569,349,836.30 is: 854,024,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,347,865.10 : 1,680,521,797.65 = 569,349,836.30 : x
  2. Step 2: Convert to fraction form
    1,120,347,865.10/1,680,521,797.65 = 569,349,836.30/x
  3. Step 3: Cross multiply
    1,120,347,865.10x = 1,680,521,797.65 × 569,349,836.30
  4. Step 4: Simplify right side
    1,120,347,865.10x = 956,804,810,390,609,152
  5. Step 5: Solve for x
    x = 956,804,810,390,609,152/1,120,347,865.10
  6. Step 6: Final answer
    x = 854,024,754.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.